12193457 has 2 divisors, whose sum is σ = 12193458. Its totient is φ = 12193456.

The previous prime is 12193453. The next prime is 12193483. The reversal of 12193457 is 75439121.

12193457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9265936 + 2927521 = 3044^2 + 1711^2 .

It is a cyclic number.

It is not a de Polignac number, because 12193457 - 2² = 12193453 is a prime.

It is a super-2 number, since 2×12193457² = 297360787221698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12193451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6096728 + 6096729.

It is an arithmetic number, because the mean of its divisors is an integer number (6096729).

Almost surely, 2^12193457 is an apocalyptic number.

It is an amenable number.

12193457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12193457 is an equidigital number, since it uses as much as digits as its factorization.

12193457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 12193457 is about 3491.9130859745. The cubic root of 12193457 is about 230.1665900839.

The spelling of 12193457 in words is "twelve million, one hundred ninety-three thousand, four hundred fifty-seven".